Overall
- Walla Walla
- 98.5
- Kankakee
- 96.4
Diff -2.1 RPP
Cost of living comparison based on BEA Regional Price Parities. Kankakee is 2.2% less expensive than Walla Walla.
Kankakee, IL is 2.2% less expensive than Walla Walla, WA on BEA Regional Price Parities (overall RPP 96.4 vs 98.5). A $100,000 salary in Walla Walla buys about the same as $97,843 in Kankakee; the largest component gap is goods.
RPP parity plate
Pair WA:IL 98.5→96.4
TIER-NEAR · CROSS-STATE · SPLIT-BUDGET · BOTH-BELOW · PP-PAR
Instrument codes from this pair's BEA Regional Price Parities (overall · goods · services · rents · national benchmark 100 · purchasing-power conversion), not a ranking or recommendation.
Diff -2.1 RPP
Diff -11.4 RPP
Diff -4.9 RPP
Diff +6.3 RPP
| Category | Walla Walla | Kankakee | Difference |
|---|---|---|---|
| Overall | 98.5 | 96.4 | -2.1 |
| Goods | 105.0 | 93.6 | -11.4 |
| Services | 94.3 | 89.4 | -4.9 |
| Rents | 86.6 | 92.9 | +6.3 |
Vertical line = national average (100)
Goods creates the largest separation: Kankakee is 11.4 points lower. But rents move against the overall direction, so this is a split budget rather than a clean across-the-board winner.
Kankakee, IL is 2.2% less expensive than Walla Walla, WA, a meaningful but not extreme shift. The move decision turns on which budget category creates the 2.1-point overall gap.
Both metros remain below the U.S. benchmark of 100. This comparison chooses between two below-average price levels; “more expensive” here does not mean nationally expensive.
Comparable population context is incomplete for this pair, so no market-scale explanation is inferred from the price indexes.
For a goods-led difference, remember that many tradable prices vary less by address than housing or labor-priced services. Use $97,843 in Kankakee as the BEA equivalent of $100,000 in Walla Walla, then replace the national basket with your own.
What a salary in Walla Walla would need to be in Kankakee for the same purchasing power:
| In Walla Walla | In Kankakee | Difference |
|---|---|---|
| $50,000 | $48,922 | $-1,078 |
| $75,000 | $73,382 | $-1,618 |
| $100,000 | $97,843 | $-2,157 |
| $150,000 | $146,765 | $-3,235 |
Same BEA Regional Price Parity ratio as the table above (98.5 → 96.4), computed live from your number, nothing is sent anywhere.
Walla Walla and Kankakee share 17 published annual releases from 2008 through 2024. Their overall gap narrowed, moving from 3.9 to 2.1 RPP points. Walla Walla remained the higher-index metro in the latest release.
Services changed the most within this pair: its gap moved 35.7 points between the first and latest shared releases (30.8 to 4.9 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Walla Walla RPP | Kankakee RPP | Relative Gap |
|---|---|---|---|
| 2008 | 95.6 | 99.5 | 3.9 points Kankakee higher |
| 2012 | 95.1 | 99.2 | 4.0 points Kankakee higher |
| 2016 | 96.3 | 97.6 | 1.3 points Kankakee higher |
| 2020 | 95.2 | 90.6 | 4.6 points Walla Walla higher |
| 2024 | 98.5 | 96.4 | 2.1 points Walla Walla higher |
Annual BEA Regional Price Parity releases; a higher index means a higher price level relative to the national average of 100. Selected years shown from the full shared series.
Kankakee is 2.2% less expensive than Walla Walla. The overall cost index is 96.4 vs 98.5 (national average = 100).
A $100,000 salary in Walla Walla has the same purchasing power as $97,843 in Kankakee. This is based on the BEA Regional Price Parity indexes.
Rents in Walla Walla are indexed at 86.6 while Kankakee is at 92.9 (national average = 100). Kankakee has higher rents.
Every figure on PlainCost is rendered directly from BEA Regional Price Parity source data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, our changelog, or report a data error. Data current as of 2026-08-11. Rankings measure the published cost-of-living index only; we don't recommend where to live or rate any metro's quality of life.